A body accelerates uniformly at 0.2 m/ s2 and re tards unifo rmly at 0.3 m /s2. If
the maximum velocity attained by it is 30 m/s :; find the least time in which it
can complete a journey of 6 .km .
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Answer:
by using second law of motion
v^2=u^2+2as
answer will be 13 minutes.
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